BRPI0509943A - conceito de sensor para discriminação de di/de para uma ferramenta magnética de inspeção de vazamento de fluxo - Google Patents

conceito de sensor para discriminação de di/de para uma ferramenta magnética de inspeção de vazamento de fluxo

Info

Publication number
BRPI0509943A
BRPI0509943A BRPI0509943-9A BRPI0509943A BRPI0509943A BR PI0509943 A BRPI0509943 A BR PI0509943A BR PI0509943 A BRPI0509943 A BR PI0509943A BR PI0509943 A BRPI0509943 A BR PI0509943A
Authority
BR
Brazil
Prior art keywords
pipeline
magnets
instruments
tube
inspection tool
Prior art date
Application number
BRPI0509943-9A
Other languages
English (en)
Inventor
William D Veach
Tyler S Lloyd
Jed C Ludlow
Original Assignee
Tdw Delaware Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Tdw Delaware Inc filed Critical Tdw Delaware Inc
Publication of BRPI0509943A publication Critical patent/BRPI0509943A/pt

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/72—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables
    • G01N27/82—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws
    • G01N27/83—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws by investigating stray magnetic fields
    • G01N27/87—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws by investigating stray magnetic fields using probes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
    • F16L55/26—Pigs or moles, i.e. devices movable in a pipe or conduit with or without self-contained propulsion means
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/72—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables
    • G01N27/82—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws
    • G01N27/90—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws using eddy currents
    • G01N27/9013—Arrangements for scanning
    • G01N27/902—Arrangements for scanning by moving the sensors

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Electrochemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
  • Measuring Volume Flow (AREA)

Abstract

CONCEITO DE SENSOR PARA DISCRIMINAçãO DE DI/DE PARA UMA FERRAMENTA MAGNéTICA DE INSPEçãO DE VAZAMENTO DE FLUXO. A presente invenção refere-se a um instrumento raspa-tubos e processo de operação do mesmo para determinar as características de um oleoduto ferromagnético através do qual passa, incluindo um como raspa-tubo. Primeiro e segundo imã inter espaçados de polaridades opostas suportados no corpo raspa-tubos e proporcionando saturação magnética substancialmente completa de uma área do oleoduto entre os ímã, primeiros instrumentos entre os imã dispostos para gerar sinais que são responsivos à fuga de fluxo prestando primeiras informações quanto a anomalias nas superfícies interior e/ou exterior do oleoduto, segundos instrumentos suportados pelo como do raspa-tubo entre os ímã e dispostos para gerar sinais que são responsivos a correntes parasitas induzidas na superfície interior do oleoduto prestando segundas informações quanto a anomalias na superfície interior do oleoduto,conjunto de circuito processador de sinais combinando os primeiros e segundos sinais e em que os segundos instrumentos são ativados somente em resposta a sinais gerados pelo conjunto de circuito processador de sinais.
BRPI0509943-9A 2004-04-15 2005-03-28 conceito de sensor para discriminação de di/de para uma ferramenta magnética de inspeção de vazamento de fluxo BRPI0509943A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/825,873 US6847207B1 (en) 2004-04-15 2004-04-15 ID-OD discrimination sensor concept for a magnetic flux leakage inspection tool
PCT/US2005/010295 WO2005106451A1 (en) 2004-04-15 2005-03-28 Id-od discrimination sensor concept for a magnetic flux leakage inspection tool

Publications (1)

Publication Number Publication Date
BRPI0509943A true BRPI0509943A (pt) 2007-09-25

Family

ID=34063653

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0509943-9A BRPI0509943A (pt) 2004-04-15 2005-03-28 conceito de sensor para discriminação de di/de para uma ferramenta magnética de inspeção de vazamento de fluxo

Country Status (10)

Country Link
US (1) US6847207B1 (pt)
EP (1) EP1735612A4 (pt)
CN (1) CN100523801C (pt)
AU (1) AU2005238857B2 (pt)
BR (1) BRPI0509943A (pt)
CA (1) CA2560749A1 (pt)
MX (1) MXPA06011921A (pt)
NO (1) NO20064779L (pt)
RU (1) RU2364860C2 (pt)
WO (1) WO2005106451A1 (pt)

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Also Published As

Publication number Publication date
WO2005106451A1 (en) 2005-11-10
CA2560749A1 (en) 2005-11-10
EP1735612A1 (en) 2006-12-27
CN100523801C (zh) 2009-08-05
CN1942762A (zh) 2007-04-04
RU2364860C2 (ru) 2009-08-20
MXPA06011921A (es) 2007-01-25
US6847207B1 (en) 2005-01-25
EP1735612A4 (en) 2009-06-10
AU2005238857A1 (en) 2005-11-10
AU2005238857B2 (en) 2010-02-18
NO20064779L (no) 2006-12-27
RU2006140242A (ru) 2008-05-20

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B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]

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B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]

Free format text: REFERENTE AO DESPACHO 8.6 PUBLICADO NA RPI 2158 DE 15/05/2012.